Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
gene bank » gene banks, one bank, genomen bank
leong ghi » hong ghi, leong wai
zhong zhi » zhang zhi, hong ghi, zhong tai
bank can » banks can, bank card, bank bank
tan zhi » yan zhi, wang zhi, tan chia
yuan zi » yan zi, yuan li, yuan fei

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((tan zhi) OR (yuan zi)) gene bank can ((leong ghi) OR (zhong zhi)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ((tan zhi) or (yuan zi)) gene bank can ((leong ghi) or (zhong zhi)) ;*.